Mark "Thurop" Van Orman (born April 26, 1976) is an American cartoonist, animator, voice artist, television writer, producer and director known for being the creator of the animated series The Marvelous Misadventures of Flapjack, in which he voices the title character.
He studied character animation at the California Institute of the Arts. He was the storyboard artist for Camp Lazlo, The Powerpuff Girls and The Grim Adventures of Billy & Mandy. He was also the co-writer for these shows. He was also the supervising producer for Adventure Time and served as one for Sanjay and Craig in its first season only. Thurop is also somewhat known for responding to much of his fans' fan art through the website DeviantArt. He is currently working on his stop motion film project titled Black Forest, as well as providing concept art for the film adaptation of The Little Prince. He has also announced via Twitter that he will be writing a film about Vikings.
His work took inspiration from Gary Larson, Jim Henson, Stephen Hillenburg and his old boss Craig McCracken.